Hi again, I just updated rose [0] to match latest changes in Tulip API and remove Tulip itself from the code, now a proper EventLoopPolicy is defined, which will in turn use the pyuv-based event loop. Regards, [0]: https://github.com/saghul/rose -- Saúl Ibarra Corretgé http://saghul.net/blog | http://about.me/saghul